WebCore/bindings/v8/custom/V8InspectorFrontendHostCustom.cpp

/*
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
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 * in the documentation and/or other materials provided with the
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#include "config.h"
#include "InspectorFrontendHost.h"

#include "ExceptionCode.h"
#include "InspectorController.h"
#include "Node.h"
#include "Range.h"
#include "Page.h"
#include "TextIterator.h"
#include "VisiblePosition.h"

#include "V8Binding.h"
#include "V8CustomBinding.h"
#include "V8Proxy.h"

namespace WebCore {

CALLBACK_FUNC_DECL(InspectorFrontendHostSearch)
{
    INC_STATS("InspectorFrontendHost.search()");

    if (args.Length() < 2)
        return v8::Undefined();

    Node* node = V8DOMWrapper::convertDOMWrapperToNode<Node>(v8::Handle<v8::Object>::Cast(args[0]));
    if (!node)
        return v8::Undefined();

    String target = toWebCoreStringWithNullCheck(args[1]);
    if (target.isEmpty())
        return v8::Undefined();

    v8::Local<v8::Array> result = v8::Array::New();
    RefPtr<Range> searchRange(rangeOfContents(node));

    ExceptionCode ec = 0;
    int index = 0;
    do {
        RefPtr<Range> resultRange(findPlainText(searchRange.get(), target, true, false));
        if (resultRange->collapsed(ec))
            break;

        // A non-collapsed result range can in some funky whitespace cases still not
        // advance the range's start position (4509328). Break to avoid infinite loop.
        VisiblePosition newStart = endVisiblePosition(resultRange.get(), DOWNSTREAM);
        if (newStart == startVisiblePosition(searchRange.get(), DOWNSTREAM))
            break;

        result->Set(v8::Number::New(index++), V8DOMWrapper::convertToV8Object(V8ClassIndex::RANGE, resultRange.release()));

        setStart(searchRange.get(), newStart);
    } while (true);

    return result;
}

CALLBACK_FUNC_DECL(InspectorFrontendHostSetting)
{
    INC_STATS("InspectorFrontendHost.setting()");

    if (args.Length() < 1)
        return v8::Undefined();

    String key = toWebCoreStringWithNullCheck(args[0]);
    if (key.isEmpty())
        return v8::Undefined();

    InspectorFrontendHost* inspectorHost = V8DOMWrapper::convertToNativeObject<InspectorFrontendHost>(V8ClassIndex::INSPECTORFRONTENDHOST, args.Holder());
    InspectorController* ic = inspectorHost->inspectorController();
    if (!ic)
        return v8::Undefined();
    const InspectorController::Setting& setting = ic->setting(key);

    switch (setting.type()) {
        default:
        case InspectorController::Setting::NoType:
            return v8::Undefined();
        case InspectorController::Setting::StringType:
            return v8String(setting.string());
        case InspectorController::Setting::DoubleType:
            return v8::Number::New(setting.doubleValue());
        case InspectorController::Setting::IntegerType:
            return v8::Number::New(setting.integerValue());
        case InspectorController::Setting::BooleanType:
            return v8Boolean(setting.booleanValue());
        case InspectorController::Setting::StringVectorType: {
            const Vector<String>& strings = setting.stringVector();
            v8::Local<v8::Array> stringsArray = v8::Array::New(strings.size());
            const unsigned length = strings.size();
            for (unsigned i = 0; i < length; ++i)
                stringsArray->Set(v8::Number::New(i), v8String(strings[i]));
            return stringsArray;
        }
    }
}

CALLBACK_FUNC_DECL(InspectorFrontendHostSetSetting)
{
    INC_STATS("InspectorFrontendHost.setSetting()");
    if (args.Length() < 2)
        return v8::Undefined();

    String key = toWebCoreStringWithNullCheck(args[0]);
    if (key.isEmpty())
        return v8::Undefined();

    InspectorController::Setting setting;

    v8::Local<v8::Value> value = args[1];
    if (value->IsUndefined() || value->IsNull()) {
        // Do nothing. The setting is already NoType.
        ASSERT(setting.type() == InspectorController::Setting::NoType);
    } else if (value->IsString())
        setting.set(toWebCoreStringWithNullCheck(value));
    else if (value->IsNumber())
        setting.set(value->NumberValue());
    else if (value->IsBoolean())
        setting.set(value->BooleanValue());
    else if (value->IsArray()) {
        v8::Local<v8::Array> v8Array = v8::Local<v8::Array>::Cast(value);
        Vector<String> strings;
        for (unsigned i = 0; i < v8Array->Length(); ++i) {
            String item = toWebCoreString(v8Array->Get(v8::Integer::New(i)));
            if (item.isEmpty())
                return v8::Undefined();
            strings.append(item);
        }
        setting.set(strings);
    } else
        return v8::Undefined();

    InspectorFrontendHost* inspectorHost = V8DOMWrapper::convertToNativeObject<InspectorFrontendHost>(V8ClassIndex::INSPECTORFRONTENDHOST, args.Holder());
    InspectorController* ic = inspectorHost->inspectorController();
    if (ic)
        inspectorHost->inspectorController()->setSetting(key, setting);

    return v8::Undefined();
}

} // namespace WebCore